3.   Do you enjoy watching the movies which make people scream or cry? Do you enjoy doing difficult or exciting activities? Guess what? Some studies show that being scared can be good for people.　　      When people are in danger, their bodies will react to protect themselves. So, it is great to train ourselves by doing or watching something scary. Besides, when people feel afraid, their blood flow and heart rate will go up, and their bodies will give adrenaline, which can help burn calories.　　      In this case, we should sometimes see scary movies or do exciting activities, shouldn’t we?

scream 尖叫 activity 活動 danger 危險 react 反應 protect 保護 flow 流動 rate速度 adrenaline 腎上腺素 calorie 卡路里（熱量單位）
【題組】53. What will NOT happen when we watch a scary movie?　　　　
(A) We will feel hot.　　　　
(B) Blood flow will go up.　　　　
(C) Heart rate will go up.　　　　
(D) Our bodies will give adrenaline.